UV cleaning machine UVXT16-1

Product Introduction

Thank you for choosing the desktop ultraviolet light cleaning machine UVXT16-1 produced by Beijing Aerospace Hongda Optoelectronic Technology Co., Ltd. This product has good cleaning effect, easy operation, safety and reliability, and simple maintenance. The UVXT16-1 cleaning machine has a small size, high cleaning power, and a self-contained cooling circulation system, successfully solving the common heat dissipation problem in cleaning machines. Company Name: Beijing Aerospace Hongda Optoelectronic Technology Co., Ltd

technical parameter

1、 UV ozone light cleaning machine UVXT16-1

2、 Working principle: Ultraviolet light is an invisible light with a wavelength range of 1360 × 10-10m~3900 × 10-10m. According to the wavelength range, it can be divided into three bands: A, B, C, and vacuum ultraviolet:

① A-band 320nm~400nm; ② B-band 275-320nm; ③ C-band 200nm~275nm; ④ V-band - vacuum ultraviolet light 100-200nm.

The effects of ultraviolet light in various wavelength ranges are different, some are used for sterilization, some for cleaning, some for photolithography, and some for curing.

UV lamps can be divided into instant start type, cold cathode type, and hot cathode type according to their starting and working modes,

For situations with the same power consumption, the instant start type has the strongest irradiation power. In addition, the irradiation power of the lamp also varies with the temperature of the surrounding area and the pipe wall, so it is necessary to control the temperature of the surrounding area and the pipe wall of the ultraviolet lamp well in order to achieve the best effect of the ultraviolet lamp.

In the manufacturing process of LCD displays, the cleanliness requirements for ITO glass are very high. To produce products with a line spacing and line width of 10 μ m and ensure a high yield rate, the coating requirements before exposure are quite high. To improve the coating effect, the first step is to ensure that the glass is clean. In previous cleaning techniques (chemical cleaning and physical cleaning), it was often difficult to achieve this cleanliness requirement.

How to improve the cleanliness of glass surfaces and enhance the effectiveness of film application?

At present, UV ultraviolet cleaning is widely used abroad, which can avoid pollution caused by the use of organic solvents and shorten the cleaning process. Its working principle is to use the photosensitive oxidation effect of ultraviolet photons on organic substances to achieve the purpose of cleaning organic compounds (hydrocarbons) adhered to the surface of objects.

In practical applications, a UV lamp that can generate two wavelengths is usually used. This UV lamp can produce ultraviolet light with wavelengths of 254nm and 185nm (usually only 20% of the 254nm wavelength is 185nm).

The working process is that most organic compounds have strong absorption ability for ultraviolet light with a wavelength of 254nm. After absorbing ultraviolet light, they decompose into ions, free atoms, excited molecules, and neutral molecules, which is called photosensitivity. After absorbing ultraviolet photons with a wavelength of 185nm, oxygen in the atmosphere produces ozone O3 and atomic oxygen O. The generated O3 has a strong absorption effect on ultraviolet light with a wavelength of 254nm. Under the action of photons, ozone decomposes into oxygen and atomic oxygen O. Due to the extremely active nature of atomic oxygen, the photosensitive decomposition products of carbon and hydrogen compounds on the surface of objects are oxidized to form volatile gases:

Carbon dioxide, nitrogen, and water vapor escape from the surface of an object, thereby achieving the goal of completely removing stubborn organic substances adhering to the surface of the object.

Here, a reflective plate is used in conjunction to reflect the UV light emitted by the UV lamp onto the glass substrate, thereby enhancing the intensity of light exposure on the glass substrate. In terms of device implementation, there are three important factors that must be paid attention to and controlled, which are:

1、 To maintain a small distance between the glass substrate and the UV lamp, usually this gap should be less than 10mm. Its significance is to provide sufficient illumination intensity and avoid blind spots in illumination.

2、 To maintain an appropriate concentration of O3 in the chamber of the cleaning machine, too much or too little is not conducive to achieving the final cleaning effect. Usually, the O3 concentration is controlled within the range of 100-130ppm.

3、 The temperature of the furnace chamber cannot be too high, so it is necessary to pay attention to cooling and control the working temperature of the furnace chamber to prevent deformation of the ultraviolet lamp due to overheating or loss of ultraviolet irradiation power. Related experiments have shown that after chemical and physical cleaning, the contact angle of the glass surface (the main parameter for measuring the cleanliness of an object's surface, which is the angle formed by a quantitative drop of pure water on the object's surface) can only be around 50 degrees, which is far from enough for STN products. After UV cleaning, the contact angle can be reduced to below 20 degrees, which can meet the process requirements of STN products.

3、 Installation instructions

Introduction: Please check the completeness of the components before assembly, as shown in the packing list. The system is not equipped with inlet and outlet ducts before leaving the factory. Please purchase the corresponding inlet and outlet ducts according to the size requirements.

1、 Install refrigeration and air conditioning system

1. Install the indoor and outdoor units of the air conditioner in a fixed manner according to the air conditioner manual. 2. According to the requirements of the environment, modify the air conditioning remote control into a wired type, and connect the provided three core connecting cable according to the plug shape. 3. After installation, debug. Connect the main power of the air conditioner and turn on the power switch of the air conditioner remote control (refer to the air conditioner manual for the button functions of the remote control). The air conditioner has been modified to a forced cooling mode, and the indoor unit of the air conditioner enters the cooling state after plugging in the power.

At this point, the strength of the air intake can be set, divided into three levels, and adjusted according to the needs.

2、 Assemble the cleaning machine and install the ultraviolet lamp

1. Ensure that the power to the cleaning machine and air conditioner has been turned off. Open the outermost shell of the cleaning machine.

3. Remove the upper cover of the cleaning compartment inside the cleaning machine.

4. Unscrew the fastening screws around the heat exchanger.

5. Remove the heat exchanger from the cleaning compartment and be careful not to dirty the reflector at the bottom of the heat exchanger.

6. Find the UV lamp that needs to be replaced by its number.

Unscrew the fastening screw on the ceramic terminal at the connection point of the UV lamp head.

8. Remove the ultraviolet lamp.

Replace the UV lamp that needs to be replaced and tighten the screws on the ceramic wiring terminals.

Carefully install the heat exchanger onto the heat exchanger support and tighten the screws

11. The upper cover of the cleaning compartment inside the fixed cleaning machine

Secure the casing of the cleaning machine.

Install alarm light

1. Connect the support rod of the alarm light and the lamp head together.

2. Fix the bent plate onto the rear shell plate with screws to secure the outer shell of the cleaning machine.

4、 Connect ventilation ducts

Inlet duct: inner diameter 100mm, length<10m, uniform cold and hot changes Exhaust duct: inner diameter 100mm, length<10m, heat resistance<80, corrosion resistance. Connect the air outlet of the air conditioning unit and the cold air inlet of the cleaning machine with an inlet duct, and tighten it with a hose clamp.

Connect the exhaust outlet of the cleaning machine to the exhaust duct of the purification room through an exhaust duct. Attention: The exhaust of the cleaning machine contains high temperature (<80 ℃) ozone and cleaning waste gas. Please ensure that the exhaust pipe is connected smoothly and tightly sealed

4、 Technical parameters

Equipment parameters

Equipment model: UVXT16-1

Maximum dimensions of equipment outline: 580 (W) × 735 (L) × 320 (H) in millimeters

Maximum size of cleaned workpiece: 400 × 400 mm

Stage swing: ± 7.5mm

Work environment requirements: 0-40 ℃

Ozone leakage:<0.16ppm

Surface temperature of processed material: ＜ 55 ℃

Working voltage: AC 220V 50Hz

Maximum working power during operation: 1000W

Standby power during operation: 200W

Component parameters: Lamp length: 480mm

Lamp power: 600W (65W × 8) Lamp shape:

H lamp type: using dual band ultraviolet light source

Lamp lifespan:>2500 hours

(Illuminance>70%) Illumination distance: adjustable from 10 to 15mm

Illumination: 10-12mw/cm2

5、 Operation method

1. Power on the whole machine

2. Turn on the air conditioning control to preheat the system.

3. Turn on the panel switch.

4. The system is preheated and delayed, and when a prompt sound is heard, it enters the working state.

Open the cleaning compartment door and place the workpiece to be cleaned into the cleaning room of the cleaning machine.

6. Set various parameters at any time: cleaning time, cleaning power, preheating time

Press the start button to clean, and the ultraviolet lamp inside the cleaning machine will start working.

8. Stop cleaning work at the scheduled time set by the parameters. At this time, the ultraviolet lamp operates at the set minimum power.

During the cleaning process, if a malfunction occurs, the UV light will automatically turn off and the system will enter a self-protection state

10. If other workpieces need to be cleaned, repeat the above steps (5-9).

11. Turn off the power of the cleaning machine. 12 Turn off the power of the air conditioner.

6、 Information Description

1 1. With a short sound, the system starts cleaning work, stops cleaning work, and reaches the scheduled time.

2 2. Cycle long sound, there are unlit lights, lights or ballasts malfunctioning.

In the information prompt, both the red light and the alarm are activated simultaneously.

7、 Parameter setting method

After the program is preheated, press the "Mode" button to enter the parameter setting mode

Set the timing time, preheating time, maximum power, and minimum power in sequence

Press the "Function" button to enter the information confirmation button

Press "Mode" to select "Yes" or "No"

Press' Function 'again to confirm.

8、 Precautions

1. Ensure reliable grounding of the entire machine

The maximum power consumption of the whole machine is 1000W, please ensure that sufficient distribution power can be provided.

Please pay attention to the temperature changes inside the cleaning machine. If the temperature exceeds the expected value, be sure to turn on the air conditioning to cool down.

9、 Maintenance and upkeep

1. Regularly disassemble and clean the machine.

2. The whole machine must replace the lamp tube after working for about 2500 hours. Method for replacing the lamp tube:

After working for more than 2500 hours, the UV light exposure of the whole machine will decrease to below the national standard. At this time, the lamp tube can be treated as scrap and must be replaced. Frequent long-term startup can also reduce the lifespan of ultraviolet lamps.

1. Ensure that the power to the cleaning machine and air conditioner has been turned off.

Open the outermost shell of the cleaning machine.

Remove the upper cover of the cleaning compartment inside the cleaning machine.

4. Unscrew the fastening screws around the heat exchanger.

5. Remove the heat exchanger from the cleaning compartment and be careful not to dirty the reflector at the bottom of the heat exchanger.

6. Find the UV lamp that needs to be replaced by its number.

Unscrew the fastening screw on the ceramic terminal at the connection point of the UV lamp head.

8. Remove the ultraviolet lamp.

Replace the UV lamp that needs to be replaced and tighten the screws on the ceramic wiring terminals.

Carefully install the heat exchanger onto the heat exchanger support and tighten the screws

11. The upper cover of the cleaning compartment inside the fixed cleaning machine

Secure the casing of the cleaning machine.

be careful:

When replacing the lamp, please do so in a clean environment.

2. Pay attention to ensuring that the surface of the replaced lamp tube is clean.

3. This system often uses standard components. Please install all removed screws back to their original positions and do not leave them inside the machine.

Replace insurance: In case of poor input current and misoperation, the insurance will automatically melt. Please replace the insurance

10、 Troubleshooting

1. The whole machine does not work

Is the power supply reliably connected

Is the power supply sufficient

Is the fuse of the entire machine blown

2. The UV light is not on

Is the ballast working properly

Is the door of the cleaning compartment tightly closed

Check if the power supply of the entire machine meets the requirements

11、 Price and delivery cycle

Multiple units available for face-to-face communication;